Spring-wheel.



H. M. STRAWN.

SPRING WHEEL.

APPLICATION FILED MAY 25. 1911.`

Patented Jun'e 25, 1912.

IIN

I 3mm/Moz ira/w HERMAN STBAWN, 0F MRYSVILLE, CALIFORNIA.

SPRING-WHEEL.

' Specification of Letters Patent. .I I. Patented June 25, 1912.

Application led May 25, 1911. Serial No. 629,379.

To all 'whom it may concern: Y

Be it known that I, HERMAN M. STRAWN, a citizen of the United States, residing at Marysville, in the county of Yuba and' State of California, have invented certain new and useful Improvements in Spring-Wheels, of which the following is a specification,

`reference being had to. the accompanying*` drawings. s

This invention is an improved spring wheel for use on automobiles and other vehicles to cause the same to-ride easily and smoothly without the necessity of employing' rubber tires such as are now commonly used, the invention consist-ing in the construction, combination and arrangement of devices, hereinafter described and claimed.

The object of theinvention is to provide an improved spring rim for use on an ordinary ,automobilc wheel, and comprising an attaching band, springs carried by the band and segmentv shoes carried by the springs, which segment-shoes carry the tire, and are capable of radial movement together with the said springs Iso that the tire of the wheel is rendered. exceedingly elast-ic, as well as strong and durable.

In the accompanying drawingsFigure 1 is a side elevation of a port-ion of an automobile wheel provided with my improved spring rim and tire. Fig. 2 is a detail sectional view showing a portion of my inL proved spring rim, and also a portion of the tirel thereon, and on a larger scale. Fig. 3 is a detail transverse sectional view of the same on the plane indicated by the line -a of'Fig, 2. Fig. 4 is a similar view on thef plane indicated by the'line b-v-b of Fig. 2.

Fi 5 is a detail plan of a chain armor which may be used as a modified form of the outer tire member. Fig. 6 is a detail sectionalview showing the overlapping ends of the inner tire member and the hook coupling which secures the overlapping ends together.

The wheel of an automobile. is indicated atA in Fig. 1. In accordance with my invention, I provide an attaching band 1, which comprises two or more segments 2, of steel or iron having out-turned lu s3 at their ends, the endslof said segments ing connected together and the band being tightened and secured and held on the periphery of the wheel by means of bolts 4, which extend through openings in the said lugs. It will be understood that by loosening the nally of the shoe.

said bolts, said att-aching band together with vthe other parts of my improved spring rim and tire ma be readily removed from the Wheel. Arc ed springs 5 are carried by the band 1 and disposed on the periphery thereof..V The said springs have their meeting ends 6 extended and curved concentrically with the Wheel, and disposed in overlapping relation, oneendof each spring being disposed o n the outer side of one end of the next adjacent spring. The overlapping ends of the spring 5 are provided with lon# git-udinal slots 6 have their intermediate portions disposed over the overlapping ends of the springs and Atheir endportions bearing against the outer sides of the said springs and also of the band 1, and the said overlapping ends of the springs together with the said clip yokes lar. secured Ito the said band by means of U-shaped clip yokes 7.

s 8, which pass throughthe slots 6 of the 'spring ends and also through openings with which the clip yokes are provided. Hence the overlapping ends of the springs are disposed in sliding relation so that. the circle formed by theseries of springs around the entire circumference of the band may be enlarged or contracted to correspond with the adjustment of the band on the wheel, as will`be understood. L

On the outer side of the springs 5 are shoes 9, which are segmental in form and are longitudinally curved each of the said shoes having on its inner side at its center, an oliset- 10 having a. concave inner face which forms a seat for the reception of the central portion of one of the springs, the said springs being secured to the shoes bymeans of suitable bolts 1()a or other suitable devices. Each shoe 9 is provided at one 4end with an inwardly extending off-set 11 and with an arm 12 which projectstherefrom longitudi- The opposite end 13 of each shoe bears on the arm 12 of the next adjacent shoe so that the shoes are slidably connected together for longitudinal movement to enable the circle formed byhthe series of shoes to be contracted or enlarged, as may be required by the action of the springs in placing the spring rim on, or removing the same from al wheel. The outer side of each shoe 9 is providedwith an outwardly opening longitudinal channel 14. The tire 'A le4 .wom

triangular .in shape cross s'ectionally, and If preferred, a'spnocket chain armor 25, f. A. resent inwardly extending sipoints which Ysuchgasv shownin etail in Fig. v5, rnaybe Y Y i ar on the arms 12 of the oe at points used asthe outer memberlofthe tire in lieu between the shoulders formed b the or-sets. o frthenouter member Q 6 11, and ends 13 of the shoes,.t e said Vstop 'I claim:- -P l bridges eifectually preventing the tire fromz 1; vwheel of the class described in com crawling on the shoes, and around the" binatlonwlth a rim member; Vsp therewheel; l y .omsgment shoesiearriedb thesai springsC My improved tire comprises an' outer and isposed with their en in overla ping 10 member 18 and an inner member 19.' The relation, each lsegment8h06having@` o 45 outer member comprises radiall v'tudinal chann'el m its 'outerjspideand la ers of fabric such as canvas str1V s formed' having an offset portion at .one endyand a with 4selvage edges, the said strlps tire fitted in the channels of the said shoes laited or folded toform the Saldradia and ha inwardly extending stop devices v 15 iiiyers, as shown, and being also provided engaingt e oiset portions of said shoes. 50

with eyeleted openings at points corres nd- 2. n combination with alrim element of a ing with the centers of the said raidal ayers wheel, spri on said rim element, ment for the reception of a securing wire hoop or shoesvcarri by the said springs an eachring 20, which passes through the said openprovided at one end with aninwardly extendings, and secures .the said radial layers in mg oiset and a lo tudinal arm1 project' 55 lcompact form, in contact'one with another from said oiset,`t e opposite end of eac throughout the series from end to end of the shoe bearing on the said armof thenext adjatire, the ends of the said wire hoop 20 bein cent shoe so that the shoes are 'disposed with secured together by a suitable coupling suc their ends in overlapping relation and slidl as is indicated at '21. ably connected together, a tirel on the said 60 The inner member 19 of the tire is comshoes, and stop devices with which the said posed of a series of ,concentrically disposed tire is provided, said stop devices bearing on layers of canvas strips or strips of other the arms of the said shoes. suitable fabric, indicated at 22. The bridge In testimony whereof I hereunto ax my stops 16 arg,e to the inmlr side of the signature in the presence of two witnesses. 65

inner mem r o t e tire and t e said inner member of the tire is here shown as pro- HERMAN M' STRAWN' vided with overlapping ends 23, which are Witnesses: i secured together by a suitable hook coul W. orWoon, ph'ng 24. G. W.- JoRY. 

